Services Example in Android

ServicesActivity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:id="@+id/activity_services"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:paddingBottom="@dimen/activity_vertical_margin"
              android:paddingLeft="@dimen/activity_horizontal_margin"
              android:paddingRight="@dimen/activity_horizontal_margin"
              android:paddingTop="@dimen/activity_vertical_margin"
              android:orientation="vertical"
              android:background="#965302"
              tools:context="com.bhaumik.programmingstudy.ServicesActivity">

    <Button
            android:id="@+id/btn_start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Start Services"
            android:layout_gravity="center_horizontal"
            android:textAllCaps="false"
            android:textSize="18dp"/>
    <Button
            android:id="@+id/btn_stop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Stop Services"
            android:layout_marginTop="20dp"
            android:layout_gravity="center_horizontal"
            android:textAllCaps="false"
            android:textSize="18dp"/>
</LinearLayout>

ServicesActivity.java

package com.bhaumik.programmingstudy;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class ServicesActivity extends AppCompatActivity {

    Button start,stop;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_services);

        start = (Button) findViewById(R.id.btn_start);
        stop = (Button) findViewById(R.id.btn_stop);

        start.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(ServicesActivity.this,MyServices.class);
                startService(intent);
            }
        });
        stop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(ServicesActivity.this,MyServices.class);
                stopService(intent);
            }
        });
    }
}

MyServices.java

package com.bhaumik.programmingstudy;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.support.annotation.Nullable;


public class MyServices extends Service{
    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        ToastMsg.ShowToast(MyServices.this,"Services Create ");
    }

    @Override
    public void onStart(Intent intent, int startId) {
        super.onStart(intent, startId);
        ToastMsg.ShowToast(MyServices.this,"Services Start ");
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        ToastMsg.ShowToast(MyServices.this,"Services Destroy ");
    }
}

Note : MyServices Register to AndroidManifest.xml File. Follow This Ex. Given Below
     
         <service android:name=".MyServices" />